401(k) · DOL Form 5500 · 2023

Interdigital, Inc. 401(k) Plan

Data updated 2026-08-11

$127M
Total assets: 229
Participants: 93rd
Percentile by assets: $555,334
Avg per participant

Official DOL plan name: Interdigital Savings and Protection Plan · Sponsored by Interdigital, Inc. · Delaware · Professional & Technical Services

$127M in assets, 229 participants

Interdigital, Inc.'s Interdigital Savings and Protection Plan reported $127M in total assets and 229 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

93rd percentile by assets (of 127,072 plans)
#19,096 in Professional & Technical Services (20,321 peers)

Coverage in Delaware

Interdigital Savings and Protection Plan covers 229 participants in Delaware, about 43% of the average Delaware filer (state average ~536 per filing). Assets: $127M.

$127M
total plan assets (2023 EOY): 229
covered participants: 93rd
percentile by assets (of 127,072 plans): $555,334
avg assets per participant

Where Interdigital Savings and Protection Plan sits by total assets

Interdigital Savings and Protection Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$127,171,544 Top 7% higher than 93% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Interdigital Savings and Protection Plan reported net income rose from -$25M in the plan year 2022 filing to $22M in the plan year 2023 filing.
Interdigital Savings and Protection Plan end-of-year assets rose from $105M in the plan year 2022 filing to $127M in the plan year 2023 filing.
Interdigital Savings and Protection Plan reported participants fell from 246 in the plan year 2022 filing to 229 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State

Delaware

Industry

Professional & Technical Services

Participants vs Delaware filers

In Delaware, the average filing covers about 536 participants across 397 plans. Interdigital Savings and Protection Plan reports 229 participants - about 43% of that state average ($127M EOY assets).

Delaware filing particulars

Total Assets (Beginning of Year)	$105M
Net Assets (End of Year)	$127M
Net Income	$22M
Employer EIN	824936666
Plan Effective Date	1985-02-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Interdigital, Inc.)

Total plan assets by year, all Interdigital, Inc. plans on file

Year	Plans	Participants	Total Assets
2022	1	246	$105M
2023	1	229	$127M
2024	1	222	$138M

Nearby 401(k) Plans in Delaware

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Interdigital Savings and Protection Plan vs. nearby 401(k) plans in Delaware, assets vs. participants

Astrazeneca Savings and Security Plan $7.6B · 13,734
Retirement Savings Plan $6.8B · 9,968
Dupont Retirement Savings Plan $3.2B · 9,918
Wl Gore & Associates, Inc. 401(k) Plan $1.8B · 8,557
Ashland Employee Savings Plan $1.3B · 1,647

Compare Interdigital Savings and Protection Plan side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Interdigital Savings and Protection Plan by total assets, not by location.

Confederated Tribes of the Umatilla Indian Reservation 401(k) Profit Sharing Plan and Trust (OR) $127M · 2,176
Tonkon Torp LLP Profit Sharing and 401(k) Plan (OR) $127M · 185
The Campbell Clinic, P.C. Employees' Retirement Plan and Trust (TN) $127M · 563
Great Plains Manufacturing Inc. Profit Sharing 401(k) Plan (KS) $127M · 1,966

Frequently Asked Questions

How did Interdigital Savings and Protection Plan assets move in 2023? ▼

Interdigital Savings and Protection Plan grew sharply - up 20.6% during 2023, from $105M to $127M. Reported net income was $22M.

How have Interdigital, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Interdigital, Inc.'s sponsor-wide assets grew 31.0%, from $105M to $138M.

Where does Interdigital Savings and Protection Plan rank by assets among Form 5500 filers? ▼

Interdigital Savings and Protection Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).

Which 401(k) plans are similar in size to Interdigital Savings and Protection Plan? ▼

Among 401(k) plans in other states, the closest by assets is Confederated Tribes of the Umatilla Indian Reservation 401(k) Profit Sharing Plan and Trust in OR ($127M, 2,176 participants).

Next read for Interdigital Savings and Protection Plan

Filing takeaways

Ways to act on Interdigital Savings and Protection Plan's numbers.

By total assets, Interdigital Savings and Protection Plan ranks in the top 10% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Delaware. Compare plans
Interdigital, Inc.'s sponsor-wide assets have grown 31.0% since 2022 across 3 plan years on file. More Professional & Technical Services plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 824936666.